UNDERDOWN TRENCHING INC
AUTHORIZEDUSDOT
4482322
MC Number
N/A
Fleet Size
51
Total Drivers
39
FMCSA-derived snapshot updated: August 16, 2026. This is not a real-time record; verify critical authority, insurance and safety details directly with FMCSA.
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Safety overview
UNDERDOWN TRENCHING INC is a mid-size interstate motor carrier based in FENTON, Missouri, operating 51 power units with 39 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. Their driver out-of-service rate of 0.0% comes in under the 6.7% national average. They have 1 crash on file (1 with injuries). FMCSA records show 9 inspections for this carrier.
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BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in Missouri is 12.7% and the average vehicle OOS rate is 30.5% across 25,609 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Private (Property)
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
9
Total
53%
Driver %
Insurance on file
CarrierOwl's current public FMCSA filing snapshot returned no matching insurance rows. This does not prove that no private coverage exists; verify current requirements and filings directly with FMCSA and the carrier.
Crash history
1
Total Crashes
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Frequently asked questions
Is UNDERDOWN TRENCHING INC authorized to operate?
CarrierOwl's FMCSA-derived snapshot for UNDERDOWN TRENCHING INC (USDOT #4482322) shows "AUTHORIZED" status. The snapshot lists them as an interstate carrier. Verify the current official record with FMCSA before booking a load.
What is UNDERDOWN TRENCHING INC's safety record?
UNDERDOWN TRENCHING INC has 9 inspections in CarrierOwl's current imported snapshot and 1 matching crash. They do not show a formal FMCSA safety rating in CarrierOwl's current data. A zero result is limited to the dataset and snapshot window. Verify current BASIC percentiles and crash information directly with FMCSA before relying on them.
How many trucks does UNDERDOWN TRENCHING INC operate?
UNDERDOWN TRENCHING INC operates 51 power units with 39 drivers on file. That puts them in the mid-size range.
Does UNDERDOWN TRENCHING INC transport hazardous materials?
No. UNDERDOWN TRENCHING INC does not have a hazardous materials flag in the FMCSA database.
Where is UNDERDOWN TRENCHING INC located?
UNDERDOWN TRENCHING INC is based in FENTON, Missouri at 1150 QUAIL HOLLOW DR, 63026-4956. Phone: (636) 343-1321.
What are UNDERDOWN TRENCHING INC's out-of-service rates?
UNDERDOWN TRENCHING INC's driver out-of-service rate is 0.0%, compared with the 6.7% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record. Their vehicle out-of-service rate is 62.5%, compared with the 23.4% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record.